278785260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 943810560

約数和(自身を除く): 665025300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 151, 156, 180, 195, 234, 260, 263, 270, 302, 351, 390, 453, 468, 526, 540, 585, 604, 702, 755, 780, 789, 906, 1052, 1170, 1315, 1359, 1404, 1510, 1578, 1755, 1812, 1963, 2265, 2340, 2367, 2630, 2718, 3020, 3156, 3419, 3510, 3926, 3945, 4077, 4530, 4734, 5260, 5436, 5889, 6795, 6838, 7020, 7101, 7852, 7890, 8154, 9060, 9468, 9815, 10257, 11778, 11835, 13590, 13676, 14202, 15780, 16308, 17095, 17667, 19630, 20385, 20514, 23556, 23670, 27180, 28404, 29445, 30771, 34190, 35334, 35505, 39260, 39713, 40770, 41028, 47340, 51285, 53001, 58890, 61542, 68380, 70668, 71010, 79426, 81540, 88335, 92313, 102570, 106002, 117780, 119139, 123084, 142020, 153855, 158852, 176670, 184626, 198565, 205140, 212004, 238278, 265005, 307710, 353340, 357417, 369252, 397130, 461565, 476556, 516269, 530010, 595695, 615420, 714834, 794260, 923130, 1032538, 1060020, 1072251, 1191390, 1429668, 1548807, 1787085, 1846260, 2065076, 2144502, 2382780, 2581345, 3097614, 3574170, 4289004, 4646421, 5162690, 5361255, 6195228, 7148340, 7744035, 9292842, 10325380, 10722510, 13939263, 15488070, 18585684, 21445020, 23232105, 27878526, 30976140, 46464210, 55757052, 69696315, 92928420, 139392630, 278785260]

約数ペア:

[(1, 278785260), (2, 139392630), (3, 92928420), (4, 69696315), (5, 55757052), (6, 46464210), (9, 30976140), (10, 27878526), (12, 23232105), (13, 21445020), (15, 18585684), (18, 15488070), (20, 13939263), (26, 10722510), (27, 10325380), (30, 9292842), (36, 7744035), (39, 7148340), (45, 6195228), (52, 5361255), (54, 5162690), (60, 4646421), (65, 4289004), (78, 3574170), (90, 3097614), (108, 2581345), (117, 2382780), (130, 2144502), (135, 2065076), (151, 1846260), (156, 1787085), (180, 1548807), (195, 1429668), (234, 1191390), (260, 1072251), (263, 1060020), (270, 1032538), (302, 923130), (351, 794260), (390, 714834), (453, 615420), (468, 595695), (526, 530010), (540, 516269), (585, 476556), (604, 461565), (702, 397130), (755, 369252), (780, 357417), (789, 353340), (906, 307710), (1052, 265005), (1170, 238278), (1315, 212004), (1359, 205140), (1404, 198565), (1510, 184626), (1578, 176670), (1755, 158852), (1812, 153855), (1963, 142020), (2265, 123084), (2340, 119139), (2367, 117780), (2630, 106002), (2718, 102570), (3020, 92313), (3156, 88335), (3419, 81540), (3510, 79426), (3926, 71010), (3945, 70668), (4077, 68380), (4530, 61542), (4734, 58890), (5260, 53001), (5436, 51285), (5889, 47340), (6795, 41028), (6838, 40770), (7020, 39713), (7101, 39260), (7852, 35505), (7890, 35334), (8154, 34190), (9060, 30771), (9468, 29445), (9815, 28404), (10257, 27180), (11778, 23670), (11835, 23556), (13590, 20514), (13676, 20385), (14202, 19630), (15780, 17667), (16308, 17095)]